Home / 28,930,392-39,925,807.20-16,053,336

Finding the Fourth Proportional to 28,930,392, 39,925,807.20 and 16,053,336

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Solution

The fourth proportional to 28,930,392, 39,925,807.20 and 16,053,336 is: 22,154,639.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,930,392 : 39,925,807.20 = 16,053,336 : x
  2. Step 2: Convert to fraction form
    28,930,392/39,925,807.20 = 16,053,336/x
  3. Step 3: Cross multiply
    28,930,392x = 39,925,807.20 × 16,053,336
  4. Step 4: Simplify right side
    28,930,392x = 640,942,398,052,819.25
  5. Step 5: Solve for x
    x = 640,942,398,052,819.25/28,930,392
  6. Step 6: Final answer
    x = 22,154,639.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.